Sidelink mode-1 based standalone operations

摘要

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a first downlink control information (DCI) message indicating a first listen-before-talk (LBT) grant for accessing a sidelink channel, the first DCI being associated with a first search space of the UE. The UE may then receive a second DCI message indicating a second LBT grant for accessing the channel or an uplink channel, the second DCI being associated with a second search space of the UE and including an activation trigger for the first LBT grant of the first DCI. The UE may then perform a first LBT procedure to access the sidelink channel in accordance with the first LBT grant during a first channel occupancy time (COT). The UE may further perform a second LBT procedure to access the uplink channel during the first COT.